<style>
  .tab_normal{
    width: 250px;
    height: 20px;
    padding: 5px;
    color: #FFFFFF;
    text-align: center;
    font-weight: normal;
    background-image: url(images/normal.png);
    background-repeat: repeat-x;  cursor: pointer;
  }
  .tab_hover{
    width: 250px;
    height: 20px;
    padding: 5px;
    color: #FFFFFF;
    text-align: center;
    font-weight: normal;
    background-image: url(images/normal.png);
    background-repeat: repeat-x;
    opacity: .7;
    filter: alpha(opacity = 70);   cursor: pointer;
  }

  .tab_active{
    width: 250px;
    height: 20px;
    padding: 5px;
    color: #FFFFFF;
    text-align: center;
    font-weight: normal;
    background-image: url(images/active.png);
    background-repeat: repeat-x; cursor: pointer;
  }

  .panel{
	width: 250px;
	height: 140px;
	padding: 5px;
	color: #000000;
	background-color: #FFFFFF;
	text-align: center;
}
</style>
<div id="thoitiet"> 
       <div class="tab_normal" id="t1">Hà Nội</div>
       <div  class="panel" id="p1"  align="center">
		   <script type="text/javascript"> 
                showWeather('hanoi, vietnam'); 
           </script> 
       </div>
       <div class="tab_normal" id="t2">Đà Nẵng</div>
       <div class="panel" id="p2">
		   <script type="text/javascript"> 
                showWeather('danang, vietnam'); 
           </script> 
       </div>
       <div class="tab_normal" id="t3">TP Hồ Chí Minh</div>
       <div class="panel" id="p3">
		   <script type="text/javascript"> 
                showWeather('hochiminh, vietnam'); 
           </script> 
       </div>
      <div class="tab_normal" id="t4">Huế</div>
      <div class="panel" id="p4">
		   <script type="text/javascript"> 
                showWeather('hue, vietnam'); 
           </script> 
      </div>
      <div class="tab_normal" id="t5">Hải Phòng</div>
      <div class="panel" id="p5">
		   <script type="text/javascript"> 
                showWeather('haiphong, vietnam'); 
           </script> 
      </div>
  
                  
</div>